Home / 26,430.07-39,646.93-7,709.81

Finding the Fourth Proportional to 26,430.07, 39,646.93 and 7,709.81

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Solution

The fourth proportional to 26,430.07, 39,646.93 and 7,709.81 is: 11,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.07 : 39,646.93 = 7,709.81 : x
  2. Step 2: Convert to fraction form
    26,430.07/39,646.93 = 7,709.81/x
  3. Step 3: Cross multiply
    26,430.07x = 39,646.93 × 7,709.81
  4. Step 4: Simplify right side
    26,430.07x = 305,670,297.38
  5. Step 5: Solve for x
    x = 305,670,297.38/26,430.07
  6. Step 6: Final answer
    x = 11,565.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.